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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > Spectral gap in simple Lie groups : Clay Mathematics Institute Senior Scholar Lecture.

## Spectral gap in simple Lie groups : Clay Mathematics Institute Senior Scholar Lecture.Add to your list(s) Download to your calendar using vCal - Benoist, Y (Universit Paris-Sud 11)
- Monday 16 June 2014, 16:00-17:00
- Seminar Room 1, Newton Institute.
If you have a question about this talk, please contact Mustapha Amrani. Interactions between Dynamics of Group Actions and Number Theory Consider two matrices a , b in the orthogonal group SO(d) that span a dense subgroup. We will first recall that, in dimension at least 3, for n large, the set of words of length n in a and b become equidistributed in SO(d). We will then see that, when the matrices a, b have algebraic coefficients, the precision of this equidistribution is exponentially small in n. This joint work with N. de Saxce extends previous results of Bourgain and Gamburd for the unitary groups SU(d). This talk is part of the Isaac Newton Institute Seminar Series series. ## This talk is included in these lists:- All CMS events
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